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本设计应用西门子编程软件Step7，在研究锅炉汽包水位控制系统原理和工艺流程的基础上，进行了对控制方案的分析与I/O建立，并进行了程序设计。应用仿真软件进行对锅炉水位控制...
本设计应用西门子编程软件Step7，在研究锅炉汽包水位控制系统原理和工艺流程的基础上，进行了对控制方案的分析与I/O建立，并进行了程序设计。应用仿真软件进行对锅炉水位控制的仿真调试，达到了预期效果。
锅炉是众多工业部门必不可少的重要动力设备。因此，锅炉水位控制往往成了不少工厂不可缺少的一部分。因而，对锅炉设备中的自动控制系统进行分析研究是必要的。锅炉水位控制系统是锅炉生产控制系统中最重要的环节。对锅炉生产操作如果不合理，管理不善，处理不当，往往会引起事故。这些事故中的大部分是由于锅炉水位控制不当引起的，可见锅炉汽包水位控制在锅炉设备控制系统中的重要性。
在锅炉汽包水位控制系统中，水位是一个很重要的控制参数，它间接地反映了锅炉负荷和给水的平衡关系。本次设计是合理控制汽包水位，其控制方案是基于西门子SIMATIC S7-300系列PLC实现三冲量调节系统，即前馈-串级复合控制系统。从而可以提高锅炉的自动化控制水平，维持汽包水位在给定范围内，保证了锅炉安全运行，降低工作人员的劳动强度，取得了较好的经济和社会效益。 展开
锅炉是众多工业部门必不可少的重要动力设备。因此，锅炉水位控制往往成了不少工厂不可缺少的一部分。因而，对锅炉设备中的自动控制系统进行分析研究是必要的。锅炉水位控制系统是锅炉生产控制系统中最重要的环节。对锅炉生产操作如果不合理，管理不善，处理不当，往往会引起事故。这些事故中的大部分是由于锅炉水位控制不当引起的，可见锅炉汽包水位控制在锅炉设备控制系统中的重要性。
在锅炉汽包水位控制系统中，水位是一个很重要的控制参数，它间接地反映了锅炉负荷和给水的平衡关系。本次设计是合理控制汽包水位，其控制方案是基于西门子SIMATIC S7-300系列PLC实现三冲量调节系统，即前馈-串级复合控制系统。从而可以提高锅炉的自动化控制水平，维持汽包水位在给定范围内，保证了锅炉安全运行，降低工作人员的劳动强度，取得了较好的经济和社会效益。 展开
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Design and application of the Siemens programming software Step7, in the study of boiler drum water level control system principle and process on the basis of control scheme, the analysis and the establishment of I/O, and the program design. Application of simulation software for control of boiler water level simulation debugging, achieves the expected effect.
Boiler is one of the many industrial departments indispensable power equipment. Therefore, boiler water level control often became an integral part of many factories. Therefore, the boiler equipment automatic control system analysis is necessary. Boiler water level control system of boiler control system is the most important link in. On the production operation of the boiler if unreasonable, poor management, processing is undeserved, often cause accidents. Most of these incidents are due to improper control of boiler water level, visible in the boiler drum water level control device in the boiler control system importance.
In the boiler drum water level control system, water level is a very important control parameters, it indirectly reflects the boiler load and water balance. This design is the rational control of drum water level, the control scheme is based on Siemens SIMATIC S7-300series PLC three impulse regulating system, namely feedforward cascade control system. Thus can improve the boiler automation control level, maintain the drum water level in a given range, to ensure the safe operation of the boiler, reduce the labor intensity of workers, and achieved good economic and social benefits.
Boiler is one of the many industrial departments indispensable power equipment. Therefore, boiler water level control often became an integral part of many factories. Therefore, the boiler equipment automatic control system analysis is necessary. Boiler water level control system of boiler control system is the most important link in. On the production operation of the boiler if unreasonable, poor management, processing is undeserved, often cause accidents. Most of these incidents are due to improper control of boiler water level, visible in the boiler drum water level control device in the boiler control system importance.
In the boiler drum water level control system, water level is a very important control parameters, it indirectly reflects the boiler load and water balance. This design is the rational control of drum water level, the control scheme is based on Siemens SIMATIC S7-300series PLC three impulse regulating system, namely feedforward cascade control system. Thus can improve the boiler automation control level, maintain the drum water level in a given range, to ensure the safe operation of the boiler, reduce the labor intensity of workers, and achieved good economic and social benefits.
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